SKY77325 Skyworks Solutions, Inc., SKY77325 Datasheet

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SKY77325

Manufacturer Part Number
SKY77325
Description
Manufacturer
Skyworks Solutions, Inc.
Datasheet

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PRELIMINARY DATA SHEET
SKY77325: iPAC™ PAM for Quad-Band GSM / GPRS
Applications
xQuad-band cellular
Features
xLow input power range
xHigh efficiency
xBiCMOS PA controller and
xIntegrated closed loop
xInternal I
xInput/Output matching 50
x22-pin package
xSmall outline
xLow profile
xGold plated, lead-free
handsets encompassing
- Class 4 GSM850/900
- Class 1 DCS1800
- Class 12 GPRS multi-slot
- 0 to 6 dBm
- GSM850 49%
- GSM900 53%
- DCS 53%
- PCS 53%
interface IC
- Low power control slope
- Fast response time
- Improved control
power amplifier control
for PAC
internal (with DC blocking)
- 6 mm x 8 mm
- 1.2 mm maximum
contacts
PCS1900
operation
accuracy
CC
sense resistor
103196P5 • Skyworks Proprietary and Confidential Information. • Products and product information are subject to change without notice. • May 14, 2004
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
Description
The SKY77325 Power Amplifier Module (PAM) is designed in a low profile (1.2 mm), compact form
factor for quad-band cellular handsets comprising GSM850/900, DCS1800, and PCS1900 operation.
The PAM also supports Class 12 General Packet Radio Service (GPRS) multi-slot operation.
The module consists of separate GSM850/900 PA and DCS1800/PCS1900 PA blocks, impedance-
matching circuitry for 50 : input and output impedances, and a Power Amplifier Control (PAC) block
with an internal current-sense resistor. The custom BiCMOS integrated circuit provides the internal
PAC function and interface circuitry. Fabricated onto a single Gallium Arsenide (GaAs) die, one
Heterojunction Bipolar Transistor (HBT) PA block supports the GSM850/900 bands and the other
supports the DCS1800 and PCS1900 bands. Both PA blocks share common power supply pins to
distribute current. The GaAs die, the Silicon (Si) die, and the passive components are mounted on a
multi-layer laminate substrate. The assembly is encapsulated with plastic overmold.
RF input and output ports of the SKY77325 are internally matched to a 50 : load to reduce the
number of external components for a quad-band design. Extremely low leakage current (2.5 PA,
typical) of the dual PA module maximizes handset standby time. The SKY77325 also contains band-
select switching circuitry to select GSM (logic 0) or DCS/PCS (logic 1) as determined from the Band
Select (BS) signal. In
OUT) and the Analog Power Control (VAPC) controls the level of output power.
VBATT and VSENSE pins connect to an internal current-sense resistor and interface to an integrated
power amplifier control (iPAC™) function, which is insensitive to variations in temperature, power
supply, process, and input power. The ENABLE input allows initial turn-on of PAM circuitry to minimize
battery drain.
Figure 1
below, the BS pin selects the PA output (DCS/PCS OUT or GSM850/900
Figure 1. Functional Block Diagram
1

Related parts for SKY77325

SKY77325 Summary of contents

Page 1

... The assembly is encapsulated with plastic overmold dBm xHigh efficiency RF input and output ports of the SKY77325 are internally matched load to reduce the - GSM850 49% number of external components for a quad-band design. Extremely low leakage current (2.5 PA, - GSM900 53% typical) of the dual PA module maximizes handset standby time ...

Page 2

... May 14, 2004 • Skyworks Proprietary and Confidential Information. • Products and product information are subject to change without notice. • 103196P5 diagram of a typical SKY77325 application. The SKY77325 is a static-sensitive electronic device and should lists the absolute not be stored or operated near strong electrostatic fields. Detailed information on device dimensions, pin descriptions, packaging and handling can be found in later sections of this data sheet ...

Page 3

... Table 2 for multislot dBm 6.5 to 34.5 dBm, OUT * IN controlled by V APC dBm 0.1 V OUT STANDBY APC ENABLE d 0.2 V PRELIMINARY DATA SHEET • SKY77325 ( Minimum Typical Maximum 2.9 3.5 — 200 –0.1 — 1.2 — — — –0.1 — 1.2 — — ...

Page 4

... Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 4 May 14, 2004 • Skyworks Proprietary and Confidential Information. • Products and product information are subject to change without notice. • 103196P5 Table 3. SKY77325 Electrical Specifications Symbol Test Condition ...

Page 5

... OUT MAX HIGH VOLTAGE CASE (See Table 2 for multislot dBm 6.5 to 34.5 dBm, OUT IN controlled by V APC dBm 0.1 V OUT STANDBY APC ENABLE d 0.2 V PRELIMINARY DATA SHEET • SKY77325 ( Minimum Typical Maximum = dBm) IN 880 — 0 — 0.2 — — –30 34.5 35.0 32.0 33.0 32.0 36.3 — ...

Page 6

... Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 6 May 14, 2004 • Skyworks Proprietary and Confidential Information. • Products and product information are subject to change without notice. • 103196P5 Table 3. SKY77325 Electrical Specifications Symbol Test Condition ...

Page 7

... 4 ENABLE ! 2 – +100 qC CASE (See Table 2 for multislot dBm 1.5 to 32.0 dBm, OUT IN controlled by V APC PRELIMINARY DATA SHEET • SKY77325 ( Minimum Typical Maximum = dBm) IN 1710 — 1785 0 — 6 0.2 — 2 — — ...

Page 8

... Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 8 May 14, 2004 • Skyworks Proprietary and Confidential Information. • Products and product information are subject to change without notice. • 103196P5 Table 3. SKY77325 Electrical Specifications Symbol Test Condition ...

Page 9

... CASE (See Table 2 for multislot dBm 1.5 to 32.0 dBm, OUT IN controlled by V APC dBm 0.1 V APC ENABLE d 0.2 V PRELIMINARY DATA SHEET • SKY77325 ( Minimum Typical Maximum = dBm) IN 1850 1910 0 6 0.2 2 — — 51 — — ...

Page 10

... Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 10 May 14, 2004 • Skyworks Proprietary and Confidential Information. • Products and product information are subject to change without notice. • 103196P5 Table 3. SKY77325 Electrical Specifications Symbol Test Condition ...

Page 11

... Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 103196P5 • Skyworks Proprietary and Confidential Information. • Products and product information are subject to change without notice. • May 14, 2004 Figure 2. Typical SKY77325 PAM Application PRELIMINARY DATA SHEET • SKY77325 ...

Page 12

... PAM to help the designer attain optimum thermal conductivity, good grounding, and minimum RF discontinuity for the 50 ohm Figure 3. SKY77325 PAM Package Dimensions—22-Pin Leadless (All Views) Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 12 May 14, 2004 • ...

Page 13

... Figure 4. Phone Board Layout Footprint for Package Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 103196P5 • Skyworks Proprietary and Confidential Information. • Products and product information are subject to change without notice. • May 14, 2004 PRELIMINARY DATA SHEET • SKY77325 13 ...

Page 14

... Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 14 May 14, 2004 • Skyworks Proprietary and Confidential Information. • Products and product information are subject to change without notice. • 103196P5 Table 4. SKY77325 Pin Names and Signal Descriptions NO INTERNAL CONNECTION BiCMOS enable ...

Page 15

... Note: Tape and Reel, Document Number 101568. Electrostatic Discharge Sensitivity The SKY77325 is a Class I device. Figure 7 Discharge (ESD) immunity level for each pin of the SKY77325 module. The numbers specify the ESD threshold levels for each pin where the I-V curve between the pin and ground starts to show degradation. ...

Page 16

... Skyworks PAM test setup for evaluation of RF performance with various ramp profiles. The user’s test setup may also include a TX/RX switch and a diplexer in the output signal path. Alternatively, the SKY77325 PAM may be installed in a phone board. APC pin, which results ...

Page 17

... Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 103196P5 • Skyworks Proprietary and Confidential Information. • Products and product information are subject to change without notice. • May 14, 2004 Figure 8. Example of PAM Recommended Timing Diagram PRELIMINARY DATA SHEET • SKY77325 17 ...

Page 18

... PRELIMINARY DATA SHEET • SKY77325 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 18 May 14, 2004 • Skyworks Proprietary and Confidential Information. • Products and product information are subject to change without notice. • 103196P5 iPAC™ PAM FOR QUAD-BAND GSM / GPRS ...

Page 19

... Ordering Information Manufacturing Model Number Part Number SKY77325 SKY77325 Revision History Revision Level References Application Note: Tape and Reel, Document Number 101568 Application Note: PCB Design and SMT Assembly/Rework, Document Number 101752 Application Brief: iPAC™ GSM Transmitter Timing, Calibration and Baseband Control, Document Number 103138 Application Note: iPAC™ ...

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